diff --git a/aiogram/fsm/context.py b/aiogram/fsm/context.py
index 96811df8..c9432c11 100644
--- a/aiogram/fsm/context.py
+++ b/aiogram/fsm/context.py
@@ -21,12 +21,12 @@ class FSMContext:
         return await self.storage.get_data(key=self.key)
 
     @overload
-    async def get_value(self, key: str) -> Any | None: ...
+    async def get_value(self, key: str) -> Optional[Any]: ...
 
     @overload
     async def get_value(self, key: str, default: Any) -> Any: ...
 
-    async def get_value(self, key, default=None):
+    async def get_value(self, key: str, default: Optional[Any] = None) -> Optional[Any]:
         return await self.storage.get_value(storage_key=self.key, dict_key=key, default=default)
 
     async def update_data(
diff --git a/aiogram/fsm/scene.py b/aiogram/fsm/scene.py
index f42e6083..0cbd0e8b 100644
--- a/aiogram/fsm/scene.py
+++ b/aiogram/fsm/scene.py
@@ -595,7 +595,7 @@ class SceneWizard:
         """
         pass
 
-    async def get_value(self, key, default=None):
+    async def get_value(self, key: str, default: Optional[Any] = None) -> Optional[Any]:
         return await self.state.get_value(key, default)
 
     async def update_data(
diff --git a/aiogram/fsm/storage/base.py b/aiogram/fsm/storage/base.py
index c926eaa3..2e905337 100644
--- a/aiogram/fsm/storage/base.py
+++ b/aiogram/fsm/storage/base.py
@@ -145,7 +145,6 @@ class BaseStorage(ABC):
         pass
 
     @overload
-    @abstractmethod
     async def get_value(self, storage_key: StorageKey, dict_key: str) -> Optional[Any]:
         """
         Get single value from data by key
@@ -157,7 +156,6 @@ class BaseStorage(ABC):
         pass
 
     @overload
-    @abstractmethod
     async def get_value(self, storage_key: StorageKey, dict_key: str, default: Any) -> Any:
         """
         Get single value from data by key
@@ -169,6 +167,11 @@ class BaseStorage(ABC):
         """
         pass
 
+    @abstractmethod
+    async def get_value(
+        self, storage_key: StorageKey, dict_key: str, default: Optional[Any] = None
+    ) -> Optional[Any]: ...
+
     async def update_data(self, key: StorageKey, data: Dict[str, Any]) -> Dict[str, Any]:
         """
         Update date in the storage for key (like dict.update)
diff --git a/aiogram/fsm/storage/memory.py b/aiogram/fsm/storage/memory.py
index 7e2e832f..348f2a3b 100644
--- a/aiogram/fsm/storage/memory.py
+++ b/aiogram/fsm/storage/memory.py
@@ -56,7 +56,9 @@ class MemoryStorage(BaseStorage):
     @overload
     async def get_value(self, storage_key: StorageKey, dict_key: str, default: Any) -> Any: ...
 
-    async def get_value(self, storage_key, dict_key: str, default=None):
+    async def get_value(
+        self, storage_key: StorageKey, dict_key: str, default: Optional[Any] = None
+    ) -> Optional[Any]:
         return copy(self.storage[storage_key].data.get(dict_key, default))
 
 
diff --git a/aiogram/fsm/storage/mongo.py b/aiogram/fsm/storage/mongo.py
index 567df944..5e291be4 100644
--- a/aiogram/fsm/storage/mongo.py
+++ b/aiogram/fsm/storage/mongo.py
@@ -121,7 +121,9 @@ class MongoStorage(BaseStorage):
     @overload
     async def get_value(self, storage_key: StorageKey, dict_key: str, default: Any) -> Any: ...
 
-    async def get_value(self, storage_key, dict_key, default=None):
+    async def get_value(
+        self, storage_key: StorageKey, dict_key: str, default: Optional[Any] = None
+    ) -> Optional[Any]:
         return (await self.get_data(storage_key)).get(dict_key, default)
 
     async def update_data(self, key: StorageKey, data: Dict[str, Any]) -> Dict[str, Any]:
diff --git a/aiogram/fsm/storage/redis.py b/aiogram/fsm/storage/redis.py
index d4901b46..02eaa421 100644
--- a/aiogram/fsm/storage/redis.py
+++ b/aiogram/fsm/storage/redis.py
@@ -138,7 +138,9 @@ class RedisStorage(BaseStorage):
     @overload
     async def get_value(self, storage_key: StorageKey, dict_key: str, default: Any) -> Any: ...
 
-    async def get_value(self, storage_key, dict_key, default=None):
+    async def get_value(
+        self, storage_key: StorageKey, dict_key: str, default: Optional[Any] = None
+    ) -> Optional[Any]:
         return (await self.get_data(storage_key)).get(dict_key, default)